{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357010",
    "entityType": "User",
    "nonce": "0x376f63f1fb1ede2239d11449c455f5fb7dca27a6f1204c5f4c3fc1aff1dd918d",
    "signature": "0xa547848a4504da4d7810ae453e4a059b65ea8d6eb972c2b79b6694ca89e2df4e1bed2a63a4acce542f3ad642482aea37efb6f24433cb9311c304c75ebb5ca7731b",
    "signer": "0x375963f281CEdF4D9D180496F80A256D574daBa2",
    "userId": "981824750"
  }
}